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Chemical Properties of Zirconium and Iridium

Zirconium
Iridium
Chemical Properties of Iridium and Zirconium


Chemical Properties
Chemical Formula
Zr   
Ir   
Isotopes
  
  
Known Isotopes
24   
15
34   
5
Electronegativity
  
  
Pauling Electronegativity
1.33   
30
2.20   
4
Sanderson Electronegativity
0.90   
25
Not Available   
Allred Rochow Electronegativity
1.22   
26
1.55   
11
Allen Electronegativity
1.32   
34
1.68   
17
Electropositivity
  
  
Pauling Electropositivity
2.67   
24
1.80   
99+
Ionization Energies
  
  
1st Energy Level
640.10 kJ/mol   
99+
880.00 kJ/mol   
9
2nd Energy Level
1,270.00 kJ/mol   
99+
1,600.00 kJ/mol   
35
3rd Energy Level
2,218.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,313.00 kJ/mol   
99+
Not Available   
5th Energy Level
7,752.00 kJ/mol   
10
Not Available   
6th Energy Level
9,500.00 kJ/mol   
15
Not Available   
Electrochemical Equivalent
0.85 g/amp-hr   
99+
1.14 g/amp-hr   
99+
Electron Work Function
4.05 eV   
26
4.55 eV   
13
Other Chemical Properties
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
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